US7573545B2 - Reducing color shift - Google Patents
Reducing color shift Download PDFInfo
- Publication number
- US7573545B2 US7573545B2 US11/804,139 US80413907A US7573545B2 US 7573545 B2 US7573545 B2 US 7573545B2 US 80413907 A US80413907 A US 80413907A US 7573545 B2 US7573545 B2 US 7573545B2
- Authority
- US
- United States
- Prior art keywords
- compensation film
- film
- biaxial
- liquid crystal
- crystal display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
Definitions
- R o1 Another optical compensation value of the phase retardation compensation film 130 is R o1 .
- This compensation value is derived from the equation (n x1 ⁇ n y1 ) ⁇ d 1 .
- n x1 equals n y1 ; therefore, R o1 is equal to zero.
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Description
TABLE 1 | |||
Rth1 (nm) | RO2/Rth2 (nm) | ||
1 | 50 | 50/224 |
2 | 80 | 50/191 |
3 | 110 | 50/161 |
4 | 140 | 50/131 |
5 | 170 | 50/101 |
6 | 200 | 50/71 |
7 | 230 | 50/41 |
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095117531A TW200743878A (en) | 2006-05-17 | 2006-05-17 | Liquid crystal display device |
TW095117531 | 2006-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20070296891A1 US20070296891A1 (en) | 2007-12-27 |
US7573545B2 true US7573545B2 (en) | 2009-08-11 |
Family
ID=38873207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/804,139 Active 2027-10-24 US7573545B2 (en) | 2006-05-17 | 2007-05-17 | Reducing color shift |
Country Status (2)
Country | Link |
---|---|
US (1) | US7573545B2 (en) |
TW (1) | TW200743878A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110141415A1 (en) * | 2009-12-11 | 2011-06-16 | Sang-Wook Lee | Blue phase mode liquid crystal display device and method of manufacturing the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5789564B2 (en) * | 2012-06-11 | 2015-10-07 | 学校法人慶應義塾 | Method for improving visibility of liquid crystal display device, and liquid crystal display device using the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6919946B2 (en) * | 2002-04-16 | 2005-07-19 | 3M Innovative Properties Company | Compensators for liquid crystal displays and the use and manufacture of the compensators |
US7079218B2 (en) * | 2002-12-30 | 2006-07-18 | Lg.Philips Lcd Co., Ltd. | Optically compensated birefringence mode liquid crystal display device having specific retardations in splay and bend states and method of fabricating the same |
-
2006
- 2006-05-17 TW TW095117531A patent/TW200743878A/en unknown
-
2007
- 2007-05-17 US US11/804,139 patent/US7573545B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6919946B2 (en) * | 2002-04-16 | 2005-07-19 | 3M Innovative Properties Company | Compensators for liquid crystal displays and the use and manufacture of the compensators |
US7079218B2 (en) * | 2002-12-30 | 2006-07-18 | Lg.Philips Lcd Co., Ltd. | Optically compensated birefringence mode liquid crystal display device having specific retardations in splay and bend states and method of fabricating the same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110141415A1 (en) * | 2009-12-11 | 2011-06-16 | Sang-Wook Lee | Blue phase mode liquid crystal display device and method of manufacturing the same |
US8908132B2 (en) * | 2009-12-11 | 2014-12-09 | Lg Display Co., Ltd. | Blue phase mode liquid crystal display device and method of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
US20070296891A1 (en) | 2007-12-27 |
TW200743878A (en) | 2007-12-01 |
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Owner name: CHI MEI OPTOELECTRONICS, TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TU, PEI SHAN;WANG, CHUN JUI;REEL/FRAME:019752/0869;SIGNING DATES FROM 20070716 TO 20070717 Owner name: CHI MEI OPTOELECTRONICS, TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TU, PEI SHAN;WANG, CHUN JUI;SIGNING DATES FROM 20070716 TO 20070717;REEL/FRAME:019752/0869 |
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STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
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AS | Assignment |
Owner name: CHIMEI INNOLUX CORPORATION,TAIWAN Free format text: MERGER;ASSIGNOR:CHI MEI OPTOELECTRONICS CORP.;REEL/FRAME:024369/0249 Effective date: 20100318 Owner name: CHIMEI INNOLUX CORPORATION, TAIWAN Free format text: MERGER;ASSIGNOR:CHI MEI OPTOELECTRONICS CORP.;REEL/FRAME:024369/0249 Effective date: 20100318 |
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Owner name: INNOLUX CORPORATION, TAIWAN Free format text: CHANGE OF NAME;ASSIGNOR:CHIMEI INNOLUX CORPORATION;REEL/FRAME:032621/0718 Effective date: 20121219 |
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